EP2993274B1 - Wc with low noise - Google Patents
Wc with low noise Download PDFInfo
- Publication number
- EP2993274B1 EP2993274B1 EP15183978.4A EP15183978A EP2993274B1 EP 2993274 B1 EP2993274 B1 EP 2993274B1 EP 15183978 A EP15183978 A EP 15183978A EP 2993274 B1 EP2993274 B1 EP 2993274B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow
- lateral
- section
- concave upper
- outlet portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000011010 flushing procedure Methods 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/08—Bowls with means producing a flushing water swirl
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/20—Noise reduction features
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/40—Devices for distribution of flush water inside the bowl
Definitions
- the present invention relates to a WC with improved noise characteristics.
- Examples of WC'S can be found in GB 2431937A and EP 2604761 A1 .
- the sanitary fixture that is found to have the greatest noise problem is the WC.
- the water which is released inside the WC for discharging operations usually produces a particularly loud and annoying noise.
- Subject of the present invention is a WC, whose essential characteristics are disclosed in claim 1, and whose preferred and/or auxiliary characteristics are set forth in claims 2-10.
- the WC 1 comprises a single piece structure 2 made of ceramic defining a basin 3, a discharge duct 4 connected to a bottom portion of the basin 3, and a supply duct 5 of the flushing water which communicates with the basin 3 through only one flushing opening 6.
- the duct is obtained inside a rear portion 2a of the structure 2 so as to be connected to a water network.
- the duct 5 extends along a longitudinal axis X and is defined in sequence by an inlet portion 7 where the connection with the water network is obtained and having a standard size regulated by specific requirements, by a flowing portion 8, and by an outlet portion 9 on a lateral wall 10 in which the flushing opening 6 is obtained.
- the outlet portion 9 has a flow-through section equal to about half of the flow-through section of the flowing portion 8. This means that from the flowing portion 8 to the outlet portion 9 there is a narrowing of the flow-through section equal to about a half.
- the flow-through section of the outlet portion 9 has an area ranging from 35 to 65%, more preferably ranging from 45 to 55%, of the area of the flow-through section of the flowing portion 8.
- the flushing opening 6 is obtained on the lateral wall 10 of the outlet portion 9 and has a flow-through section with an area equal to approximately 35% of the area of the flow-through section of the outlet portion 9.
- the flow-through section of the opening 6 has an area ranging from 20 to 50%, preferably ranging from 30 to 40%, of the area of the flow-through section of the outlet portion 9.
- the outlet portion 9 comprises a bottom wall 11 inclined upwards with respect to the axis X.
- the inclined position of the bottom wall 11 causes the outlet portion 9 to extend beyond the flushing opening 6. In this way a diminished load of the flow of the flushing water occurs which further facilitates the effectiveness of the present invention.
- the basin 3 is defined by an asymmetric wall 12 that joins inferiorly with the discharge duct 4.
- the wall 12 is defined by a first lateral portion 13, by a front portion 14, by a second lateral portion 15 and by a bottom portion 16.
- the flushing opening 6 is obtained at the bottom portion 16 and faces the first lateral portion 13.
- the asymmetry of the wall 12 is due to the different conformation of its two lateral portions 13 and 15. Both lateral portions 13 and 15 comprise a concave upper part 13a and 15a, followed by a substantially vertical lower part 13b and 15b which joins inferiorly to the discharge duct 4.
- Both concave upper parts 13a and 15a have a variable bending radius.
- the concept that the concave upper part 13a of the first lateral portion 13 has a greater depth concavity than the concave upper part 15a of the second lateral portion 15 means that the smallest bending radius of the concave upper part 13a is less than the smallest bending radius of the concave upper part 15a.
- the concave upper part 13a has a vertical extension less than the concave upper part 15a and, consequently, has a substantially vertical lower part 13b greater than that of the lateral portion 15.
- the concave upper part 13a is defined by a variation of its bending radius which, from the top to the bottom, assumes in sequence the values 64 mm, 30.8 mm and 213.9 mm; while, the concave upper part 15a is defined by a variation of its bending radius, which, from the top to the bottom, assumes in sequence the values 64 mm, 37.2 mm and 103.7 mm.
- the front portion 14 of the lateral wall 12 has a more pronounced concavity with respect to the WC of the prior art and is defined by a variation of the bending radius which, from the top to the bottom, assumes in sequence the values 48.1 mm, 69.1 mm and 232.9 mm.
- the lateral wall 12 is rimless, thus ensuring greater hygiene.
- a rimless lateral wall guarantees the absence of recesses difficult to reach during cleaning operations and therefore can represent possible locations of bacterial proliferation.
- the shape of the front portion 14 of the lateral wall 12 further ensures the proper flow of the discharge water and consequential low noise.
- the water produced from the flushing opening 6 generates a spiral flow that flows along the lateral wall 12.
- the spiral path of the flushing water flow ensures, therefore, that along the path itself there is no impact between different water portions.
- the flushing water first passes through the concave upper part 13a, then the concavity of the front portion 14 and, once crossed the concave upper part 15a, is located in a position lower than the water flowing along the concave upper part 13a. In this way, therefore, the water leaving the concave upper part 15a, instead of encountering the water flowing along the concave upper part 13a, flows until impact against the substantially vertical lower part 13b, then continues towards the discharge duct 4.
- the present invention offers the great advantage of being able to ensure a low noise level of the flushing water during the discharge operation, along with a high efficiency in the cleaning of the inner walls of the WC.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Description
- The present invention relates to a WC with improved noise characteristics. Examples of WC'S can be found in
GB 2431937A EP 2604761 A1 . - One of the most important aspects that research in the field of sanitary fixtures has focused on is that relating to noise.
- Over time said aspect has become more and more critical in the choice of buying sanitary fixtures.
- For a more complete understanding of the problem relating to noise, one may contemplate hotel accommodations, where substantially the number of bathrooms is comparable with that of the rooms. It is evident that in these cases the ability to lower the bathroom noise level would contribute significantly to a greater quality of the accommodation itself.
- The sanitary fixture that is found to have the greatest noise problem is the WC. In fact, the water which is released inside the WC for discharging operations usually produces a particularly loud and annoying noise.
- Therefore the need was felt to produce a WC having the technical characteristics for reducing the noise level of the flushing water during discharging operations.
- Subject of the present invention is a WC, whose essential characteristics are disclosed in
claim 1, and whose preferred and/or auxiliary characteristics are set forth in claims 2-10. - In the following an example of embodiment is provided purely by way of illustrative and non-limiting example with the aid of the accompanying figures, wherein:
-
Figure 1 is a longitudinal section of a WC according to the present invention; -
Figure 1a is an enlargement of a detail of the section ofFigure 1 ; -
Figure 1b is a section along the line I-I ofFigure 1a ; -
Figure 2 is a section along the line II-II ofFigure 1 ; -
Figure 3 is a section along the line III-III ofFigure 2 . - In
Figures 1 and2 is indicated, as a whole, with 1 a WC according to the present invention. - The
WC 1 comprises asingle piece structure 2 made of ceramic defining abasin 3, adischarge duct 4 connected to a bottom portion of thebasin 3, and asupply duct 5 of the flushing water which communicates with thebasin 3 through only one flushingopening 6. The duct is obtained inside arear portion 2a of thestructure 2 so as to be connected to a water network. - The
duct 5 extends along a longitudinal axis X and is defined in sequence by aninlet portion 7 where the connection with the water network is obtained and having a standard size regulated by specific requirements, by a flowingportion 8, and by anoutlet portion 9 on alateral wall 10 in which theflushing opening 6 is obtained. - As made evident from
Figures 1 and1b , theoutlet portion 9 has a flow-through section equal to about half of the flow-through section of the flowingportion 8. This means that from the flowingportion 8 to theoutlet portion 9 there is a narrowing of the flow-through section equal to about a half. - Preferably, the flow-through section of the
outlet portion 9 has an area ranging from 35 to 65%, more preferably ranging from 45 to 55%, of the area of the flow-through section of the flowingportion 8. - The flushing
opening 6 is obtained on thelateral wall 10 of theoutlet portion 9 and has a flow-through section with an area equal to approximately 35% of the area of the flow-through section of theoutlet portion 9. The flow-through section of theopening 6 has an area ranging from 20 to 50%, preferably ranging from 30 to 40%, of the area of the flow-through section of theoutlet portion 9. - In particular, as made apparent from
Figure 1 , theoutlet portion 9 comprises abottom wall 11 inclined upwards with respect to the axis X. The inclined position of thebottom wall 11 causes theoutlet portion 9 to extend beyond the flushingopening 6. In this way a diminished load of the flow of the flushing water occurs which further facilitates the effectiveness of the present invention. - As made evident from
Figure 3 , thebasin 3 is defined by anasymmetric wall 12 that joins inferiorly with thedischarge duct 4. In particular, following the flow of water as indicated by the arrows inFigure 2 , thewall 12 is defined by a firstlateral portion 13, by afront portion 14, by a secondlateral portion 15 and by abottom portion 16. Theflushing opening 6 is obtained at thebottom portion 16 and faces the firstlateral portion 13. The asymmetry of thewall 12 is due to the different conformation of its twolateral portions lateral portions upper part lower part discharge duct 4. - Both concave
upper parts upper part 13a of the firstlateral portion 13 has a greater depth concavity than the concaveupper part 15a of the secondlateral portion 15 means that the smallest bending radius of the concaveupper part 13a is less than the smallest bending radius of the concaveupper part 15a. - The concave
upper part 13a has a vertical extension less than the concaveupper part 15a and, consequently, has a substantially verticallower part 13b greater than that of thelateral portion 15. - In particular, the concave
upper part 13a is defined by a variation of its bending radius which, from the top to the bottom, assumes in sequence the values 64 mm, 30.8 mm and 213.9 mm; while, the concaveupper part 15a is defined by a variation of its bending radius, which, from the top to the bottom, assumes in sequence the values 64 mm, 37.2 mm and 103.7 mm. - As is apparent from
Figure 1 , thefront portion 14 of thelateral wall 12 has a more pronounced concavity with respect to the WC of the prior art and is defined by a variation of the bending radius which, from the top to the bottom, assumes in sequence the values 48.1 mm, 69.1 mm and 232.9 mm. - The values of the above radii of curvature are expressed in mm.
- As can be seen from
Figures 1 and3 , thelateral wall 12 is rimless, thus ensuring greater hygiene. In fact, a rimless lateral wall guarantees the absence of recesses difficult to reach during cleaning operations and therefore can represent possible locations of bacterial proliferation. - The presence of a single lateral flushing opening 6 and the particular shape of the two
lateral portions lateral wall 12 allow to significantly lessen the noise level caused by the flushing water during discharge. The effectiveness of the flow of the flushing water in terms of directionality and pressure, however, is made possible by conformational features of thesupply duct 5 of the discharge water. - Finally, the shape of the
front portion 14 of thelateral wall 12 further ensures the proper flow of the discharge water and consequential low noise. - As indicated by the arrows of
Figure 2 , the water produced from the flushingopening 6 generates a spiral flow that flows along thelateral wall 12. The spiral path of the flushing water flow ensures, therefore, that along the path itself there is no impact between different water portions. In fact, the flushing water first passes through the concaveupper part 13a, then the concavity of thefront portion 14 and, once crossed the concaveupper part 15a, is located in a position lower than the water flowing along the concaveupper part 13a. In this way, therefore, the water leaving the concaveupper part 15a, instead of encountering the water flowing along the concaveupper part 13a, flows until impact against the substantially verticallower part 13b, then continues towards thedischarge duct 4. - The present invention offers the great advantage of being able to ensure a low noise level of the flushing water during the discharge operation, along with a high efficiency in the cleaning of the inner walls of the WC.
- Furthermore, when the characteristics are also associated with the absence of a rim of the WC, the advantage concerning a high level of hygiene is also accomplished.
Claims (10)
- A WC (1) comprising a structure (2) defining at least one basin (3) delimited by an asymmetrical lateral wall (12) and a flushing water supply duct (5) obtained in a rear portion (2a) of the structure (2) to be connected to a water network, extending along an axis X and communicating with said basin (3) so as to allow the flushing water to flow;
said WC being characterized in that said flushing water supply duct (5) is defined by at least a flowing portion (8) and by an outlet portion (9) directly connected to said flowing portion, the outlet portion (9) comprising a lateral wall (10) in which only one flushing opening (6) for the flowing of water from the duct (5) to the basin (3) is obtained; said opening (6) having a flow-through section with an area ranging from 20 to 50% of the area of the flow-through section of the outlet portion (9) and said outlet portion (9) having a flow-through section with an area ranging from 35 to 65% of the area of the flow-through section of said flowing portion (8);
and in that said lateral wall (12) defining the basin (3) has an asymmetrical shape and comprises:- a first lateral portion (13), which is faced by said flushing opening (6) and comprises:a concave upper part (13a) and a substantially vertical lower part (13b), and- a second lateral portion (15) facing the first lateral portion (13) and arranged in front of it and comprising:a concave upper part (15a) having a larger vertical extension than the concave upper part (13a) of the first lateral portion (13) and a substantially vertical lower part (15b) with smaller dimensions than the substantially vertical lower part (13b) of the first lateral portion (13). - The WC according to claim 1, characterized in that said opening (6) has a flow-through section with an area ranging from 30 to 40% of the area of the flow-through section of the outlet portion (9).
- The WC according to claim 1 or 2, characterized in that the outlet portion (9) has a flow-through section with an area ranging from 45 to 55% of the area of the flow-through section of said flowing portion (8).
- The WC according to any of the preceding claims, characterized in that said outlet portion (9) extends beyond said flushing opening (6).
- The WC according to claim 4, characterized in that the outlet portion (9) comprises a bottom wall (11), which is inclined upwards with respect to the axis X.
- The WC according to any of the preceding claims, characterized in that the concave upper part (13a) of the first lateral portion (13) has a greater depth concavity than the concave upper part (15a) of the second lateral portion (15).
- The WC according to claim 6, characterized in that the concave upper part (13a) of the first lateral portion (13) is defined by a variation of its bending radius, which, from the top to the bottom, assumes in sequence the values 64 mm, 30.8 mm and 213.9 mm; and in that the concave upper part (15a) of the second lateral portion (15) is defined by a variation of its bending radius, which, from the top to the bottom, assumes in sequence the values 64 mm, 37.2 mm and 103, 7 mm.
- WC according to any of the preceding claims, characterized in that the lateral wall (12) comprises a front portion (14) which is defined by a variation of its bending radius, which, from the top to the bottom, assumes, in sequence, the values 48.1 mm, 69.1 mm and 232.9 mm.
- The WC according to any of the preceding claims, characterized in that said lateral wall (12) is rimless.
- The WC according to any of the preceding claims, characterized in that said structure (2) is one single piece made of ceramic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15183978T PL2993274T3 (en) | 2014-09-05 | 2015-09-04 | Wc with low noise |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM20140503 | 2014-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2993274A1 EP2993274A1 (en) | 2016-03-09 |
EP2993274B1 true EP2993274B1 (en) | 2017-04-05 |
Family
ID=52101474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15183978.4A Active EP2993274B1 (en) | 2014-09-05 | 2015-09-04 | Wc with low noise |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2993274B1 (en) |
ES (1) | ES2630192T3 (en) |
PL (1) | PL2993274T3 (en) |
PT (1) | PT2993274T (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202200012125A1 (en) * | 2022-06-08 | 2022-09-08 | Valdama S R L | Sanitary vessel and its manufacturing method |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700085002A1 (en) * | 2017-07-25 | 2019-01-25 | Ceram Catalano S P A | LOW NOISE WC |
IT201700085005A1 (en) * | 2017-07-25 | 2019-01-25 | Ceram Catalano S P A | URINAL WITH IMPROVED CLEANING CHARACTERISTICS |
DK3444408T3 (en) * | 2017-08-18 | 2020-12-21 | Geberit Int Ag | TOILET WITH RINSE WATER CONNECTION |
JP6651135B2 (en) * | 2017-09-08 | 2020-02-19 | Toto株式会社 | Flush toilet |
IT202200015603A1 (en) | 2022-07-25 | 2024-01-25 | Hatria S R L | RIMLESS SANITARY WC |
WO2024116007A1 (en) * | 2022-11-28 | 2024-06-06 | Alice Ceramica S.R.L. | Rimless flushing toilet with vortex discharge |
EP4428314A1 (en) * | 2023-03-10 | 2024-09-11 | Roca Sanitario, S. A. | Toilet bowl |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06287989A (en) * | 1993-04-06 | 1994-10-11 | Toto Ltd | Flush toilet bowl |
FR2744744A1 (en) * | 1996-02-14 | 1997-08-14 | Dogrusoz Ufuk | Asymmetric water saving toilet bowl |
GB0522615D0 (en) * | 2005-11-05 | 2005-12-14 | Twyford Bathrooms | Improved water closet pans |
DK2604761T3 (en) * | 2011-12-14 | 2015-04-07 | Geberit Int Ag | WC |
-
2015
- 2015-09-04 ES ES15183978.4T patent/ES2630192T3/en active Active
- 2015-09-04 PL PL15183978T patent/PL2993274T3/en unknown
- 2015-09-04 EP EP15183978.4A patent/EP2993274B1/en active Active
- 2015-09-04 PT PT151839784T patent/PT2993274T/en unknown
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202200012125A1 (en) * | 2022-06-08 | 2022-09-08 | Valdama S R L | Sanitary vessel and its manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
PT2993274T (en) | 2017-07-11 |
PL2993274T3 (en) | 2017-10-31 |
EP2993274A1 (en) | 2016-03-09 |
ES2630192T3 (en) | 2017-08-18 |
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